Websocket to TCP proxy running in a separate thread (only on ChromeOS).

chrome/test/testing_browser_process.cc

Index: chrome/test/testing_browser_process.cc
diff --git a/chrome/test/testing_browser_process.cc b/chrome/test/testing_browser_process.cc
index 15db0bebddb2e76c595f36181993d0c797289393..f6d265e7c08ccb6e758afec2bf0e6a05f515b1b5 100644
--- a/chrome/test/testing_browser_process.cc
+++ b/chrome/test/testing_browser_process.cc
@@ -71,6 +71,12 @@ WatchDogThread* TestingBrowserProcess::watchdog_thread() {
   return NULL;
 }
 
+#if defined(OS_CHROMEOS)
+base::Thread* TestingBrowserProcess::web_socket_proxy_thread() {
+  return NULL;
+}
+#endif
+
 ProfileManager* TestingBrowserProcess::profile_manager() {
   return profile_manager_.get();
 }